Journal of the Chemical Society. Chemical communications p. 452 - 454 (1993)
Update date:2022-08-04
Topics:
Bello, Kasali A.
Corns, S. Nigel
Griffiths, John
Condensation of 2,3-dihydroperimidines with squaric acid under conditions of azeotropic removal of water affords a new class of diarylsquaraine dyes with intense absorption bands at ca. 800 nm.
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